Patents by Inventor Fabien POPLIN

Fabien POPLIN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Non alterable structure including cryptographic material
    Patent number: 9680638
    Abstract: The present invention relates to a method to build a non-alterable structure and to such a non-alterable structure including data relative to a set of cryptographic material generated randomly or derived from a secret key linked to a business use, the non-alterable structure being intended to be transferred from a first entity to a second entity, the entities sharing at least an encryption/decryption key and a signature key, the structure comprising at least business data relative to the intended use of cryptographic material, an encrypted protection key encrypted with the encryption key, an encrypted set of cryptographic material encrypted with the protection key, a signature of the set of cryptographic material, the protection key and the data relative to the intended use of cryptographic material signed with the signature key.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: June 13, 2017
    Assignee: GEMALTO SA
    Inventors: Frank Detcheverry, Patrick Lambert, Fabien Poplin
  • NON ALTERABLE STRUCTURE INCLUDING CRYPTOGRAPHIC MATERIAL
    Publication number: 20150312033
    Abstract: The present invention relates to a method to build a non-alterable structure and to such a non-alterable structure including data relative to a set of cryptographic material generated randomly or derived from a secret key linked to a business use, the non-alterable structure being intended to be transferred from a first entity to a second entity, the entities sharing at least an encryption/decryption key and a signature key, the structure comprising at least business data relative to the intended use of cryptographic material, an encrypted protection key encrypted with the encryption key, an encrypted set of cryptographic material encrypted with the protection key, a signature of the set of cryptographic material, the protection key and the data relative to the intended use of cryptographic material signed with the signature key.
    Type: Application
    Filed: December 3, 2013
    Publication date: October 29, 2015
    Applicant: GEMALTO SA
    Inventors: Frank DETCHEVERRY, Patrick LAMBERT, Fabien POPLIN